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Use of Estimates (Tables)
 12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of activity for accounts receivable allowance accounts
Summarized below is the activity for these allowance accounts.
 
Year ended December 31,
 
2015
 
2014
 
2013
Balance at beginning of year
$
14.8

 
$
24.7

 
$
26.9

Allowances provided
14.1

 
16.2

 
19.4

Write-offs, net of recoveries, credits issued and other
(18.7
)
 
(26.1
)
 
(21.6
)
Balance at end of year
$
10.2

 
$
14.8

 
$
24.7
Schedule of accrued expenses
Summarized in the table below are the components of accrued expenses at December 31, 2015 and 2014.
 
December 31,
 
2015
 
2014
Employee benefits
$
83.8

 
$
96.2

Unearned revenue(1)
193.3

 
170.9

Warranty
20.3

 
20.8

Other(2)
131.6

 
152.3

Total(3)
$
429.0

 
$
440.2

___________________________________________________________________
(1) 
Unearned revenue includes billings in excess of costs and estimated earnings on uncompleted contracts accounted for under the percentage-of-completion method of revenue recognition, customer deposits and unearned amounts on service contracts.
(2) 
Other consists of various items including, among other items, accrued legal costs, interest, restructuring costs and dividends payable, none of which is individually material.
(3) 
The balance at December 31, 2015 includes $25.3 related to our dry cooling business. As indicated in Note 1, on November 20, 2015, we entered into an agreement to sell the dry cooling business. As a result, the assets and liabilities of the dry cooling business have been classified as "held for sale" in the accompanying consolidated balance sheet as of December 31, 2015. See Note 4 for information on the assets and liabilities of the dry cooling business as of December 31, 2015.
Schedule of product warranty accrual
The following is an analysis of our product warranty accrual for the periods presented:
 
Year ended December 31,
 
2015
 
2014
 
2013
Balance at beginning of year
$
37.5

 
$
34.7

 
$
36.8

Provisions
18.8

 
21.4

 
17.8

Usage
(16.1
)
 
(17.8
)
 
(20.1
)
Currency translation adjustment
(0.6
)
 
(0.8
)
 
0.2

Balance at end of year
39.6

 
37.5

 
34.7

Less: Current portion of warranty
20.3

 
20.8

 
22.2

Non-current portion of warranty
$
19.3

 
$
16.7

 
$
12.5

__________________________________________________________________